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#!/usr/bin/perl
#
# Copyright Martin J. Bligh (mbligh@mbligh.org), 2006
($file, $y_label, $columns, $title) = @ARGV;
die unless (-f $file);
die unless ($y_label);
die unless ($columns =~ /^1:\d+/);
# print " ++++++ plotgraph $file\n";
plotgraph($file, $y_label, $columns, $title);
# print " ++++++ plotgraph\n";
# First column must be kernel count, second kernel version, third is job number
# $columns spec is 1:y-value:y-stddev
sub plotgraph {
my ($file, $y_label, $columns, $title) = @_;
my @xtics;
if (!$title) {
$title = $file;
$title =~ s#.*/##;
}
open (INDATA, $file);
open (DATA_MAIN, "> ${file}.main");
open (DATA_MM, "> ${file}.mm");
open (DATA_OTHER, "> ${file}.other");
my $count;
while ($data = <INDATA>) {
chomp $data;
($count, my $version, my $job) = split (/\s+/, $data);
$short_ver = $version;
$short_ver =~ s/\+.*/+p$job/;
push @xtics, "\"$short_ver\" $count";
if ($version =~ /^2\.\d+\.\d+(\.\d+|-rc\d+)?(-git\d+)?$/) {
print DATA_MAIN "$data\n";
$plot_main = "\"${file}.main\" using $columns title \"mainline\"";
} elsif ($version =~ /^2\.\d+\.\d+(-rc\d+)?-mm\d+$/) {
print DATA_MM "$data\n";
$plot_mm = "\"${file}.mm\" using $columns title \"-mm\"";
} else {
print DATA_OTHER "$data\n";
$plot_other = "\"${file}.other\" using $columns title \"other\"";
}
}
close (INDATA);
close (DATA_MAIN);
close (DATA_MM);
close (DATA_OTHER);
die unless ($count > 0);
$x_res = $count * 12;
$y_res = 900;
push @plots, $plot_main if ($plot_main);
push @plots, $plot_mm if ($plot_mm);
push @plots, $plot_other if ($plot_other);
$plots = join (',', @plots);
open (GNUPLOT, "> ${file}.gnuplot");
# print "MACHINE: $machine\n";
print GNUPLOT "set terminal png size $x_res,$y_res\n";
print GNUPLOT "set key below\n";
print GNUPLOT "set title \"$title\"\n";
print GNUPLOT "set xlabel \"Kernel\"\n";
print GNUPLOT "set ylabel \"${y_label}\"\n";
print GNUPLOT "set output \"${file}.png\"\n";
print GNUPLOT "set style data yerrorlines\n";
print GNUPLOT "set grid\n";
$xtics = join ',', @xtics;
print GNUPLOT "\nset xtics rotate (${xtics})\n\n";
print GNUPLOT "plot $plots\n";
print GNUPLOT "replot";
close (GNUPLOT);
`/usr/bin/gnuplot ${file}.gnuplot`;
`chmod 644 ${file}.gnuplot`;
`chmod 644 ${file}.png`;
}
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